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Sicilian, Boleslavsky Variation, 7.Nb3 Notation: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 e5 7. Nb3

In each game under Location you see masterchessopen.com but it's not a valid website, so please don't use it. Claus Gamborg, Jan. 2023

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#WhiteRatingBlackRatingResultMovesECOTournamentDate
683Oim Tonu (EST)Nevanlinna Risto ...22560-131 ≣B54Ch Finland (team)...21 Nov 2010
746Pedrotti Luciano ...1812Nepi Ezio (ITA)19270-132 ≣B54It (open)28 Jul 2012
528David Cosmin Luci...1968Nemes Silviu (ROM)21500-127 ≣B33Cup Felix (open)27 May 2007
255Galego Luis (POR)2425Nekulman M1-019B50It (open)
570Penalosa Pinilla ...2238Navas Jimenez Jul...19521-028 ≣B54It (open)20 Jul 2008
153Murphy Ronan (IRL)Nagy Attila (SRB)22411-023 ≣B33Ch Europe (junior...
152Hersvik Daniel (NOR)2225Nagy Attila (SRB)22411-018 ≣B33Ch Europe (junior...
277Nagy Janos (HUN)2255Nagy Andras (HUN)22661-025 ≣B33It (cat.2)
679Lagarde Dimitri (...1674Nadiradze Anton1-029 ≣B33Ch Europe (junior...28 Sep 2010
338Gheng Josef (GER)2378Murariu Andrei (ROM)22990-131 ≣B33It (cat.2)
227Zozulia Anna (BEL)2275Mukhametov Eldar ...24750-132 ≣B33It
82Sampson MMuir1-032 ≣B33Ch Great Britain
21Gemende GMueller Georg (GER)20541-025 ≣B54corr.
134Turner Matthew (ENG)2250Moutousis Konstan...23901-028 ≣B54It (open)
330Marinescu Emilian...2070Mosnegutu Mariana...22320-128 ≣B33It (open) \
249Zarkovic Danijela...2095Morkunaite Egle (...21380-130 ≣B33Ch Europe (junior...
422Pena Gomez Manuel...2223Moreno Tejera Emi...22750-130 ≣B53Ch Spain (juniors...
233Nagy Janos (HUN)2260Monus Zoltan (HUN)20921-029 ≣B54Memorial Erkel
51Benes Petr (CZE)2166Mokry Karel (CZE)24200-128 ≣B32It (juniors) (und...
492Ivanov Cvetalin (...2104Mladenov Plamen (...22290-129 ≣B54Ch Bulgaria (juni...
554Sliwicki Damian (...1738Miskiewicz Kamil ...17311-032 ≣B54Ch Poland (junior...15 Mar 2008
25Keogh Eamon (IRL)2002Minaya Juan (COL)22071-029 ≣B33Ch World (juniors)
91Basanta Gary (CAN)2324Minaya Juan (COL)22071-028 ≣B54It (open)
734Barakin Gennady (...Miminoshvily Mera...1-017 ≣B20Tournament (Elo)02 Feb 2012
736Kostic Tomislav (...1813Milovanovic Srbol...22030-124 ≣B33Ch Central Serbia16 Feb 2012
406Caldeira Adriano ...2377Milos Gilberto (BRA)25800-131 ≣B33Cup Itau (open)
18Ajanski Jordan S ...2350Milev Zdravko (BUL)22300-129 ≣B33Ch Bulgaria16 Nov 1954
505Krumbke Nadine (GER)1826Mikliaeva Darja S...21370-119 ≣B54Ch Germany (open)...06 Aug 2006
444Owns HoonerMikhalevski Victo...25660-125 ≣B33Tournament \
423Kozhevnikov Evgra...2011Mikhailov Yury0-125 ≣B33Ch SibFO
43Cardoso Radolfo T...2330Mihaljcisin Mihaj...22800-132 ≣B33It
316Galuszka Kamil (POL)2096Mierzynski Jarosl...21541-020 ≣B54Ch Poland (team) ...
103Micic Jordanka (GER)2334Micic Snezana (SRB)21511-032 ≣B54Ch Yugoslavia (w)
269Kowalewski Jarosl...2060Michniewski Tomas...21730-126 ≣B54Ch Milanowek
560Mayer Istvan (HUN)2136Mester Attila (HUN)21161-028 ≣B54Tournament (Elo) (a)11 May 2008
658Vega Gutierrez Be...2233Menvielle Lacourr...22621-029 ≣B33Memorial Pedro Le...03 Apr 2010
670Castano Duvan Mar...2311Mendoza Rafael (COL)23420-125 ≣B50Ch Colombia02 Jul 2010
211Seminara Juan Pab...2275Mendez Ernesto (ARG)23950-132 ≣B33It \
196Daamen Ferry (NED)2200Mellegers Joost (...22900-122 ≣B33Ch Netherlands (t...
345Van Den Berg Ad (...2202Mellegers Joost (...22520-119 ≣B33It (open)
452Dobes Oldrich (CZE)2066Meins Gerlef (GER)24400-126 ≣B33It (open)15 May 2004
561Abhinaya SubhechiMehar Chinna Redd...22220-125 ≣B54Cup Mayors (open)11 May 2008
646Rogov Igor (RUS)1980Medvedev Emelian ...20900-132 ≣B33Tournament (open)05 Jan 2010
445Valenti Giuseppe ...2269Mchedlishvili Mik...25040-129 ≣B54It (open)15 Feb 2004
571Botheim Tor (NOR)1987Matthiesen Martin...22980-132 ≣B33It (open) \20 Jul 2008
454Derbentseva Irina...2069Maslak Alexander ...22050-130 ≣B33It (open) \
486Silva Arajo Mario...1957Masich Vladimir (...20300-131 ≣B30Ch World (seniors)01 Oct 2005
60Cunha Pereira SilvioMasculo Jose (BRA)23100-129 ≣B33Ch Brazil
631Pacher Simon (AUT)1925Mascher Klemens (...20581-031 ≣B54It (open)20 Aug 2009
399Segura Ariza Jose...2215Mascaro March Ped...23230-120 ≣B54Ch Mallorca (team)
482Krstic Uros (CRO)2350Martin Stefan (GER)22731-030 ≣B33It (open)
743Martic Slavko (CRO)2014Martinovic Sasa (...25040-131 ≣B33It (open)09 Jun 2012
712Guzzetti Luigi En...1962Martinez Rolly (PHI)24190-130 ≣B33It (open)29 Jul 2011
99Morales Calvino M...1701Martin Del Campo ...24550-132 ≣B54It
369Otero Israel (MEX)2123Martin Del Campo ...22910-122 ≣B50Tournament
665Markiewicz Czesla...1953Markiewicz Jerzy ...22950-125 ≣B54Cup Omega03 Jun 2010
171Wegener Olaf (GER)2423Markgraf Alexande...24930-130 ≣B33Ch Germany (junio...
339Aout Sebastien (FRA)2157Marino Olivier (FRA)20671-020 ≣B54Ch France (juniors)
641Gokkaya ErmanMammadov Mehdi Na...17691-024 ≣B33Ch World (juniors...22 Nov 2009
624Bharathi R (IND)1952Mamedov Nidjat (AZE)26140-129 ≣B54It (open)
442Rasulov RashadMamedov Nidjat (AZE)24600-128 ≣B54Ch Azerbaijan (ju...26 Jan 2004
691Deac Bogdan-Daniel1651Malureanu Costin ...21380-131 ≣B33Ch Romania12 Feb 2011
685Stojanovic Kosara...1914Maljevic Aleksa (...16730-120 ≣B33It (open)30 Nov 2010
2Bobotsov Milko G ...2405Malchev Andrei0-124B33Ch Bulgaria
329Beliaev Sergei V ...2233Maksimenko I0-131 ≣B33Tournament (Elo)
77Barua Dibyendu (IND)2400Makarichev Sergey...25201-031 ≣B54It
272Burchert Wolfgang...2167Mainka Romuald (GER)24800-121 ≣B33VK1 1997/98
294Radvanyi Tibor (HUN)2133Magyar Andras (HUN)22630-122 ≣B33Ch Hungary (team)...
174Krivec Jana (SLO)2290Madl Ildiko (HUN)24150-131 ≣B54Cup Croatia (w)
321Riman Vaclav (CZE)2045Macicek Jan (CZE)20211-031B33Ch Moravia (junio...
340Zozulia Anna (BEL)2371Lutsko Igor (BLR)23341-032 ≣B54It (cat.4)
54Horst CarstenLund Flemming22000-132 ≣B33Bundesliga 1980/81
143HerwatiLumongdong Lisa K...21460-125 ≣B33Zt (w)
394Musienko Alexei (...Lukyanov Mikhail ...21480-126 ≣B54Memorial I.Stepichev
65Yuja H (HON)2205Luk Luen-Wah (HKG)22151-032 ≣B33Olympiad
49Gedevanishvili Dm...2380Lukin1-029 ≣B54?
344Enrique Veronica ...Lopez Natalia (ARG)1-032 ≣B54Ch Argentina (jun...
731Pruess David (USA)2395Lobo Richard (ENG)22511-029 ≣B54It \07 Jan 2012
291Prause RobertLipinsky Fabian (...23310-121 ≣B54Bundesliga (junio...
190Esswein NilsLindinger Markus ...23020-118 ≣B33Bundesliga (junio...
145Jamal AbdulLim Peter0-125 ≣B29Ch Asia (team)
202Cajal Andre (BRA)2081Limp Eduardo (BRA)23250-127 ≣B23It (open)
318Galego Luis (POR)2427Limp Eduardo (BRA)24340-117 ≣B54Memorial V.Toth (...
593Vidal Zamora Alex...2058Lillo Castan Vict...21770-116 ≣B54Ch Girona30 Nov 2008
676Ruiz Font Elisabe...1902Lillo Castan Vict...22870-127 ≣B53It (open)14 Aug 2010
429Morales DaysiLievano Luis (ESA)21050-123 ≣B33It (open)
244Goi Veronika (ITA)1936Licina Anita (SLO)21600-125 ≣B33Ch Europe (team) (w)
424Gomez Luna Jorge ...1856Leon Hoyos Manuel...23950-131 ≣B54Tournament
697Schindler Gerhard...1811Lentner Wolfram1-032 ≣B54It \14 May 2011
524Adorno AnibalLemos Damian (ARG)24600-123 ≣B33It (open)
472Boehm Thomas (GER)2205Leks Hanna (POL)22090-126 ≣B54It (open)
228Collet MarkLeidorf M0-123 ≣B54It (open)
553Karrer Damian (SUI)2108Lehmann Marco (SUI)23010-130 ≣B54It (open)23 Feb 2008
146Wittmann Karl (GER)2200Lanka Zigurds (LAT)25400-131 ≣B30It (open)
355Buss Richard (GER)1669Langmann Claus (GER)19300-123 ≣B33Ch Germany (seniors)
149Escandon Federico...2145Langier Daniel (ARG)23950-126 ≣B33Ch Pan-American (...
64Mohiuddin GLamford Paul A (WLS)0-120 ≣B33Olympiad
366Lopes Raul (POR)1891Lameira Dinis (POR)20450-121 ≣B54Ch Lisbon
440Gasik Adam (POL)1981Lagowski Patryk (...24060-128 ≣B54It (open)
653Ruiz Gutierrez Ma...2217Ladron De Guevara...22151-026 ≣A04It (open)25 Feb 2010